Oral or nasal irrigator



FIG. 1 is a perspective view of an oral or nasal irrigator showing my new design;

FIG. 2 is another perspective view thereof;

FIG. 3 is a front elevational view thereof;

FIG. 4 is a rear elevational view thereof;

FIG. 5 is a left side elevational view thereof;

FIG. 6 is a right side elevational view thereof;

FIG. 7 is a top plan view thereof;

FIG. 8 is a bottom plan view thereof; and

FIG. 9 is an exploded perspective view of the oral or nasal irrigator shown with the tip removed.

FIG. 10 is an enlarged view of portion 10 shown in FIG. 2 ; and,

FIG. 11 is an enlarged view of portion 11 shown in FIG. 2 .

The dash-dash broken lines in the drawings depict portions of the oral or nasal irrigator that form no part of the claimed design. 

CLAIM The ornamental design for an oral or nasal irrigator, as shown and described. 